What is 18/42 in simpist form?
2 answers:
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The number written in standard form is 24100
Step-by-step explanation:
An object is said to be written in scientific notation when it is written in the following form:
where
m is the coefficient
n is the exponent of the power of ten
The number can be rewritten in standard form by writing the coefficient and then moving to the right (or to the left) the decimal point by n positions if n is positive (or negative).
In this problem, the number is
So we have
m = 2.41
n = 4
Therefore, we have to write 2.41 and then move the decimal point 4 positions to the right: so we get
Learn more about scientific notation:
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Answer:
Step-by-step explanation:
Given
Required
(a) Make a perfect square trinomial
(b) Write as binomial square
Solving (a)
Let the missing part of the expression be k;
This gives
To solve for k, we need to square half the coefficient of n;
i.e. Since the coefficient of n is , then
Hence;
=
Solving (b)
Expand
Factorize
Hence:
=